소성변형에 의한 냉연 강판의 표면 거칠기 변화가 마찰 특성에 미치는 영향Influence of Surface Roughness Change on Frictional Behavior of Sheet Steel for Each Forming Mode
- Other Titles
- Influence of Surface Roughness Change on Frictional Behavior of Sheet Steel for Each Forming Mode
- Authors
- 한수식
- Issue Date
- 2010
- Publisher
- 한국소성가공학회
- Keywords
- Drawing Forming Mode; Stretching Forming Mode; Oil Pocket; Friction Test; Lubricant Condition; Drawing Forming Mode; Stretching Forming Mode; Oil Pocket; Friction Test; Lubricant Condition
- Citation
- 소성가공, v.19, no.4, pp 236 - 241
- Pages
- 6
- Journal Title
- 소성가공
- Volume
- 19
- Number
- 4
- Start Page
- 236
- End Page
- 241
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/23041
- ISSN
- 1225-696X
2287-6359
- Abstract
- The frictional behavior of bare steel sheet highly depends on surface roughness. It was investigated that the change of surface roughness of bare steel sheet due to deformation for each forming mode. The flat type friction test was done to check the effect of surface roughness change on frictional characteristics of bare steel sheet. As increasing the deformation, the Ra value was increased at stretching forming mode and drawing forming mode, however the change of Pc showed different trends. The Pc was decreased as increasing stretch deformation but increased at compression deformation. At drawing forming mode, the friction coefficient was increased as deformation was increased after initial big drop with drawing oil. As deformation was increased, the friction coefficient was decreased with drawing oil at stretching forming mode. The results show that the deformation changes the surface roughness and frictional characteristics of steel sheet but the effect depends on the forming mode.
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Collections - Department of Mechanical Engineering > 1. Journal Articles
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